I could emit you could emit he could emit we could emit you could emit they could emit
Forma com V-ing
I could be emitting you could be emitting he could be emitting we could be emitting you could be emitting they could be emitting
Perfeito
I could have emitted you could have emitted he could have emitted we could have emitted you could have emitted they could have emitted
Perfeito com V-ing
I could have been emitting you could have been emitting he could have been emitting we could have been emitting you could have been emitting they could have been emitting
Negação
Forma simple
I could not emit you could not emit he could not emit we could not emit you could not emit they could not emit
Forma com V-ing
I could not be emitting you could not be emitting he could not be emitting we could not be emitting you could not be emitting they could not be emitting
Perfeito
I could not have emitted you could not have emitted he could not have emitted we could not have emitted you could not have emitted they could not have emitted
Perfeito com V-ing
I could not have been emitting you could not have been emitting he could not have been emitting we could not have been emitting you could not have been emitting they could not have been emitting
Forma interrogativa
Forma simple
could I emit? could you emit? could he emit? could we emit? could you emit? could they emit?
Forma com V-ing
could I be emitting? could you be emitting? could he be emitting? could we be emitting? could you be emitting? could they be emitting?
Perfeito
could I have emitted? could you have emitted? could he have emitted? could we have emitted? could you have emitted? could they have emitted?
Perfeito com V-ing
could I have been emitting? could you have been emitting? could he have been emitting? could we have been emitting? could you have been emitting? could they have been emitting?
Forma interro-Negação
Forma simple
could I not emit? could you not emit? could he not emit? could we not emit? could you not emit? could they not emit?
Forma com V-ing
could I not be emitting? could you not be emitting? could he not be emitting? could we not be emitting? could you not be emitting? could they not be emitting?
Perfeito
could I not have emitted? could you not have emitted? could he not have emitted? could we not have emitted? could you not have emitted? could they not have emitted?
Perfeito com V-ing
could I not have been emitting? could you not have been emitting? could he not have been emitting? could we not have been emitting? could you not have been emitting? could they not have been emitting?